125425425 has 12 divisors (see below), whose sum is σ = 207370160. Its totient is φ = 66893520.

The previous prime is 125425423. The next prime is 125425427. The reversal of 125425425 is 524524521.

It is an interprime number because it is at equal distance from previous prime (125425423) and next prime (125425427).

It is not a de Polignac number, because 125425425 - 2¹ = 125425423 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 125425392 and 125425401.

It is not an unprimeable number, because it can be changed into a prime (125425423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 836095 + ... + 836244.

Almost surely, 2^125425425 is an apocalyptic number.

125425425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125425425 is a deficient number, since it is larger than the sum of its proper divisors (81944735).

125425425 is a wasteful number, since it uses less digits than its factorization.

125425425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672352 (or 1672347 counting only the distinct ones).

The product of its digits is 16000, while the sum is 30.

The square root of 125425425 is about 11199.3493114556. The cubic root of 125425425 is about 500.5665910400.

Adding to 125425425 its reverse (524524521), we get a palindrome (649949946).

The spelling of 125425425 in words is "one hundred twenty-five million, four hundred twenty-five thousand, four hundred twenty-five".